arm: at91: taurus/axm: add DM and DTS support
add DM and DTS support for the at91 based siemens boards. Signed-off-by: Heiko Schocher <hs@denx.de> Reviewed-by: Andreas Bießmann <andreas@biessmann.org> [rebased on current ToT] Signed-off-by: Andreas Bießmann <andreas@biessmann.org>
This commit is contained in:
Heiko Schocher
Andreas Bießmann
parent
13ee789074
commit
8e6e8221c7
@ -3,6 +3,7 @@
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#
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dtb-$(CONFIG_AT91FAMILY) += at91sam9260-smartweb.dtb \
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at91sam9g20-taurus.dtb \
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at91sam9g45-corvus.dtb \
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at91sam9g45-gurnard.dtb
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119
arch/arm/dts/at91sam9g20-taurus.dts
Normal file
119
arch/arm/dts/at91sam9g20-taurus.dts
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@ -0,0 +1,119 @@
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/*
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* at91sam9g20-taurus.dts
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* (C) Copyright 2016
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* Heiko Schocher, DENX Software Engineering, hs@denx.de.
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*
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* Based on:
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* at91sam9g20ek.dts - Device Tree file for Atmel at91sam9g20ek board
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*
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* Copyright (C) 2012 Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
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*
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* Licensed under GPLv2.
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*/
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/dts-v1/;
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#include "at91sam9g20.dtsi"
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/ {
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model = "Siemens taurus";
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compatible = "atmel,at91sam9g20ek", "atmel,at91sam9g20", "atmel,at91sam9";
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chosen {
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stdout-path = &dbgu;
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};
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memory {
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reg = <0x20000000 0x4000000>;
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};
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clocks {
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slow_xtal {
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clock-frequency = <32768>;
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};
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main_xtal {
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clock-frequency = <18432000>;
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};
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};
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ahb {
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apb {
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pinctrl@fffff400 {
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board {
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pinctrl_pck0_as_mck: pck0_as_mck {
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atmel,pins =
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<AT91_PIOC 1 AT91_PERIPH_B AT91_PINCTRL_NONE>; /* PC1 periph B */
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};
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};
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};
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dbgu: serial@fffff200 {
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status = "okay";
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};
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usart0: serial@fffb0000 {
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pinctrl-0 =
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<&pinctrl_usart0
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&pinctrl_usart0_rts
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&pinctrl_usart0_cts
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&pinctrl_usart0_dtr_dsr
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&pinctrl_usart0_dcd
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&pinctrl_usart0_ri>;
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status = "okay";
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};
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usart1: serial@fffb4000 {
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status = "okay";
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};
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macb0: ethernet@fffc4000 {
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phy-mode = "rmii";
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status = "okay";
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};
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usb1: gadget@fffa4000 {
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atmel,vbus-gpio = <&pioC 5 GPIO_ACTIVE_HIGH>;
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status = "okay";
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};
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ssc0: ssc@fffbc000 {
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status = "okay";
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pinctrl-0 = <&pinctrl_ssc0_tx>;
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};
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spi0: spi@fffc8000 {
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cs-gpios = <0>, <&pioC 11 0>, <0>, <0>;
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mtd_dataflash@0 {
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compatible = "atmel,at45", "atmel,dataflash";
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spi-max-frequency = <50000000>;
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reg = <1>;
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};
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};
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rtc@fffffd20 {
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atmel,rtt-rtc-time-reg = <&gpbr 0x0>;
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status = "okay";
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};
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watchdog@fffffd40 {
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status = "okay";
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};
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gpbr: syscon@fffffd50 {
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status = "okay";
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};
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};
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nand0: nand@40000000 {
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nand-bus-width = <8>;
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nand-ecc-mode = "soft";
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nand-on-flash-bbt;
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status = "okay";
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};
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usb0: ohci@00500000 {
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num-ports = <2>;
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status = "okay";
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};
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};
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};
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@ -131,6 +131,10 @@ config TARGET_TAURUS
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bool "Support taurus"
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select CPU_ARM926EJS
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select SUPPORT_SPL
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select DM
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select DM_SERIAL
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select DM_GPIO
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select DM_ETH
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config TARGET_SMARTWEB
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bool "Support smartweb"
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@ -14,6 +14,7 @@
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#include <command.h>
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#include <common.h>
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#include <dm.h>
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#include <asm/io.h>
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#include <asm/arch/at91sam9260_matrix.h>
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#include <asm/arch/at91sam9_smc.h>
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@ -21,17 +22,28 @@
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#include <asm/arch/at91_rstc.h>
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#include <asm/arch/gpio.h>
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#include <asm/arch/at91sam9_sdramc.h>
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#include <asm/arch/atmel_serial.h>
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#include <asm/arch/clk.h>
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#include <asm/gpio.h>
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#include <linux/mtd/nand.h>
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#include <atmel_mci.h>
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#include <asm/arch/at91_spi.h>
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#include <spi.h>
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#include <net.h>
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#ifndef CONFIG_DM_ETH
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#include <netdev.h>
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#endif
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DECLARE_GLOBAL_DATA_PTR;
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static void taurus_request_gpio(void)
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{
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gpio_request(CONFIG_SYS_NAND_ENABLE_PIN, "nand ena");
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gpio_request(CONFIG_SYS_NAND_READY_PIN, "nand rdy");
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gpio_request(AT91_PIN_PA25, "ena PHY");
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}
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static void taurus_nand_hw_init(void)
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{
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struct at91_smc *smc = (struct at91_smc *)ATMEL_BASE_SMC;
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@ -265,6 +277,7 @@ int board_early_init_f(void)
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at91_periph_clk_enable(ATMEL_ID_PIOC);
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at91_seriald_hw_init();
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taurus_request_gpio();
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return 0;
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}
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@ -308,6 +321,7 @@ int board_init(void)
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/* adress of boot parameters */
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gd->bd->bi_boot_params = CONFIG_SYS_SDRAM_BASE + 0x100;
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taurus_request_gpio();
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#ifdef CONFIG_CMD_NAND
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taurus_nand_hw_init();
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#endif
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@ -330,6 +344,7 @@ int dram_init(void)
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return 0;
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}
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#ifndef CONFIG_DM_ETH
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int board_eth_init(bd_t *bis)
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{
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int rc = 0;
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@ -338,6 +353,7 @@ int board_eth_init(bd_t *bis)
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#endif
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return rc;
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}
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#endif
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#if !defined(CONFIG_SPL_BUILD)
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#if defined(CONFIG_BOARD_AXM)
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@ -432,3 +448,12 @@ U_BOOT_CMD(
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);
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#endif
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#endif
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static struct atmel_serial_platdata at91sam9260_serial_plat = {
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.base_addr = ATMEL_BASE_DBGU,
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};
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U_BOOT_DEVICE(at91sam9260_serial) = {
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.name = "serial_atmel",
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.platdata = &at91sam9260_serial_plat,
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};
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@ -1,8 +1,10 @@
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CONFIG_ARM=y
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CONFIG_ARCH_AT91=y
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CONFIG_TARGET_TAURUS=y
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CONFIG_DEFAULT_DEVICE_TREE="at91sam9g20-taurus"
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CONFIG_SPL=y
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CONFIG_SYS_EXTRA_OPTIONS="AT91SAM9G20,MACH_TYPE=2068,BOARD_AXM"
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CONFIG_HUSH_PARSER=y
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CONFIG_BOOTDELAY=3
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# CONFIG_CMD_BDI is not set
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CONFIG_CMD_BOOTZ=y
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@ -16,7 +18,8 @@ CONFIG_CMD_SPI=y
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# CONFIG_CMD_SETEXPR is not set
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CONFIG_CMD_DHCP=y
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CONFIG_CMD_PING=y
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CONFIG_OF_CONTROL=y
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CONFIG_OF_EMBED=y
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CONFIG_SPI_FLASH=y
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CONFIG_SPI_FLASH_STMICRO=y
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CONFIG_USE_TINY_PRINTF=y
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CONFIG_OF_LIBFDT=y
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@ -1,8 +1,10 @@
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CONFIG_ARM=y
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CONFIG_ARCH_AT91=y
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CONFIG_TARGET_TAURUS=y
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CONFIG_DEFAULT_DEVICE_TREE="at91sam9g20-taurus"
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CONFIG_SPL=y
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CONFIG_SYS_EXTRA_OPTIONS="AT91SAM9G20,MACH_TYPE=2067,BOARD_TAURUS"
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CONFIG_HUSH_PARSER=y
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CONFIG_BOOTDELAY=3
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CONFIG_SYS_PROMPT="U-Boot> "
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# CONFIG_CMD_BDI is not set
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@ -19,6 +21,8 @@ CONFIG_CMD_DFU=y
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# CONFIG_CMD_SETEXPR is not set
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CONFIG_CMD_DHCP=y
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CONFIG_CMD_PING=y
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CONFIG_OF_CONTROL=y
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CONFIG_OF_EMBED=y
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CONFIG_SPI_FLASH=y
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CONFIG_SPI_FLASH_STMICRO=y
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CONFIG_USB=y
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@ -28,4 +32,3 @@ CONFIG_G_DNL_MANUFACTURER="Siemens AG"
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CONFIG_G_DNL_VENDOR_NUM=0x0908
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CONFIG_G_DNL_PRODUCT_NUM=0x02d2
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CONFIG_USE_TINY_PRINTF=y
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CONFIG_OF_LIBFDT=y
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@ -45,7 +45,7 @@
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#define CONFIG_CMDLINE_TAG /* enable passing of ATAGs */
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#define CONFIG_SETUP_MEMORY_TAGS
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#define CONFIG_INITRD_TAG
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#define CONFIG_SKIP_LOWLEVEL_INIT
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#define CONFIG_SKIP_LOWLEVEL_INIT_ONLY
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#define CONFIG_BOARD_EARLY_INIT_F
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#define CONFIG_DISPLAY_CPUINFO
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